Finding the Fourth Proportional to 2,598.36, 3,891.33 and 1,426.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.36 : 3,891.33 = 1,426.56 : x
2. Step 2: Convert to fraction form
   2,598.36/3,891.33 = 1,426.56/x
3. Step 3: Cross multiply
   2,598.36x = 3,891.33 × 1,426.56
4. Step 4: Simplify right side
   2,598.36x = 5,551,215.72
5. Step 5: Solve for x
   x = 5,551,215.72/2,598.36
6. Step 6: Final answer
   x = 2,136.43